There is provided a screen capable of preventing generation of a double image even in a lateral direction, and improving the image quality as a whole, and a head-up display device having incorporated therein. The combiner 20 of the head-up display device of the present invention has a main body layer 20a which functions as a screen and is sandwiched between a first concave optical surface 21 located at an observation side and a second convex optical surface 22 located at a side opposite to the observation side. The thickness of the main body layer 20a becomes thinner from the center toward the periphery with regard to a lateral direction D2, and variation of the thickness of the main body layer 20a with regard to a vertical direction D1 is different for the central part and the peripheral part with regard to the lateral direction D2.
SCREEN AND HEAD-UP DISPLAY DEVICE
BILDSCHIRM UND HEAD-UP-ANZEIGEVORRICHTUNG
ÉCRAN ET DISPOSITIF D'AFFICHAGE TÊTE HAUTE
2020-03-25
Patent
Electronic Resource
English
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |